The excretory system works directly with the to be filteredin the kidneys. *
system to allow blood
Skeletal
Endocrine
Circulatory
Digestive

C

Endocrine The endocrine system is a chemical messenger system comprising feedback loops of the hormones released by internal glands of an organism directly into the circulatory system, regulating distant target organs. In humans, the major endocrine glands are the thyroid gland and the adrenal glands

your answer is rna to the question.

hi there!

answer: b. nucleolus

explanation: nucleolus is a structure in the nucleus are ribosomes are made.

hope this you!

have a nice day! : )

: d

-charlie

you! : )

: d